Seiko Cal. 0766 - 551

This Spring Drive model from 1968 features a 46mm Titanium case. It features a Green dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-34d37049ffb4]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1968

Related Models

• Seiko 6697-778
• Seiko 0796-775
• Seiko 4494-655
• Seiko 6169-603
• Seiko 5647-214
• Seiko 7163-914
• Seiko 6395-101
• Seiko 5689-985
• Seiko 6610-632
• Seiko 6241-214
• Seiko 7137-154
• Seiko 5686-405